foreach $key (keys %test)
{
  foreach $tmpvalue (@{$test{$key}{value})
  {
    print "$key --> $tmpvalue\n";
  }
}

Output:

obj1 --> 0
obj1 --> 1
obj1 --> 2
obj1 --> 3
obj1 --> 4
obj1 --> 5
obj1 --> 6
.
.
.